A potentially fatal condition in which one or more thrombi (or clot) form in the predominantly the leg or, more unusually, the arm. The clot may break free from the venous wall and travel via the circulatory system to the heart or to the lungs (causing a pulmonary embolism); this condition is often caused by keeping the legs bent for long periods but can also be caused by other medical problems
Deep vein thrombosis is a serious medical condition caused by blood clots in the legs moving up to the lungs. The abbreviation DVT is also used. He could have died after developing deep vein thrombosis during a flight to Sydney. DVT a serious illness which happens when a small amount of blood becomes very thick and causes the heart to stop beating properly. This sometimes happens to people who have been on long plane journeys, because they have been sitting still for so long